Polyoxometalate materials, metal-containing materials, and methods of use thereof

Abstract

Polyoxometalate topical compositions for removing contaminants from an environment and methods of use thereof are disclosed. An embodiment of the polyoxometalate topical composition includes a topical carrier and at least one polyoxometalate, with the proviso that the polyoxometalate is not H 5 PV 2 Mo 10 O 40 ; K 5 Si(H 2 O)Mn III W 11 O 39 ; K 4 Si(H 2 O)Mn IV W 11 O 39 ; or K 5 Co III W 12 O 40 . Another embodiment relates to a method for removing a contaminant from an environment, including contacting the polyoxometalate topical composition with the environment containing the contaminant for a sufficient time to remove the contaminant from the environment. An additional embodiment relates to a modified material for removing a contaminant from an environment, wherein the modified material includes (1) a material comprising a topical carrier, a powder, a coating, or a fabric, and (2) a metal compound including a transition metal compound, an actinide compound, a lanthanide compound, or a combination thereof, wherein the metal compound is not a polyoxometalate.

1. A modified polyoxometalate, wherein the modified polyoxometalate comprises the admixture of:
 (1) a pre-modified polyoxometalate selected from the group consisting of H 5 PV 2 Mo 10 O 40 , Na 5 PV 2 Mo 10 O 40 , Li 5 PV 2 Mo 10 O 40 , K 5 PV 2 Mo 10 O 40 , and combinations thereof; and 
 (2) one member selected from the group consisting of (i) (NH 4 ) 2 Ce(NO 3 ) 6 , (ii) combination of (NH 4 ) 2 Ce(NO 3 ) 6  and HAuCl 4 , (iii) combination of (NH 4 ) 2 Ce(NO 3 ) 6  and H 2 PtCl 6 , and (iv) AgNO 3 ; wherein (1) and (2) do not react with one another. 
 
     
     
       2. The modified polyoxometalate of  claim 1 , wherein (2) is (NH 4 ) 2 Ce(NO 3 ) 6 . 
     
     
       3. The modified polyoxometalate of  claim 1 , wherein (2) is the combination of (NH 4 ) 2 Ce(NO 3 ) 6  and HAuCl 4 . 
     
     
       4. The modified polyoxometalate of  claim 1 , wherein (2) is the combination of (NH 4 ) 2 Ce(NO 3 ) 6  and H PtCl   6 . 
     
     
       5. The modified polyoxometalate of  claim 1 , wherein (2) is AgNO 3 . 
     
     
       6. A modified polyoxometalate, wherein the modified polyoxometalate comprises the admixture of: (1) a pre-modified polyoxometalate selected from the group consisting of Na 4 PVMo 11 O 40 , Na 5 PV 2 Mo 10 O 40 , Na 6 PV 3 Mo 9 O 40 , Na 5 H 2 PV 4 W 8 O 40 , Na 9 PV 6 Mo 6 O 40 , Na 5 CuPW 11 O 39 , Na 5 MnPW 11 O 40 , K 5 CoPW 11 O 39 , (n-Dec 4 ) 6 HMnNb 3 P 2 W 15 O 62  and K 12 Cu 3 (W 9 PO 34 ) 2 , and (2) HAuCl 4 ; wherein (1) and (2) do not react with one another.